function type used instead typedef OnUploadProgress

Author: Mehmetyaz

pkgs/http/lib/src/base_request.dart

@@ -113,7 +113,7 @@ abstract class BaseRequest {
   /// lengthComputable :
   ///     library.html : xhr.lengthComputable
   ///     library.io : content-length is provided (MultipartRequest provide)
-  final OnUploadProgress? onUploadProgress;
+  final void Function(int uploaded, int total)? onUploadProgress;
 
   BaseRequest(String method, this.url, {this.onUploadProgress})
       : method = _validateMethod(method),

pkgs/http/lib/src/multipart_request.dart

@@ -51,7 +51,8 @@ class MultipartRequest extends BaseRequest {
   /// lengthComputable :
   ///     library.html : xhr.lengthComputable
   ///     library.io : content-length is provided (MultipartRequest provide)
-  MultipartRequest(String method, Uri url, {OnUploadProgress? onUploadProgress})
+  MultipartRequest(String method, Uri url,
+      {void Function(int uploaded, int total)? onUploadProgress})
       : super(method, url, onUploadProgress: onUploadProgress);
 
   /// The total length of the request body, in bytes.

pkgs/http/lib/src/utils.dart

@@ -74,8 +74,3 @@ Stream<T> onDone<T>(Stream<T> stream, void Function() onDone) =>
       sink.close();
       onDone();
     }));
-
-/// On upload progress callback.
-///
-/// See : "MultipartRequest"
-typedef OnUploadProgress = void Function(int uploaded, int total);